| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [adv] long [noun] | 8 |
|
| 2 | [v-ing] [prep] a [adv] long [noun sg] | 8 |
|
| 3 | [v-ing] [prep] a [adv] long time | 5 |
|
| 4 | [v-ing] [prep] a [adv] long time | 5 |
|
